Prohibit callable references to object members

To be able to make them more useful in the future, i.e. bound to the object
instance

compiler/testData/codegen/boxWithStdlib/callableReference/function/memberImportedFromObject.kt

@@ -1,17 +0,0 @@
-import A.foo
-import A.bar
-
-object A {
-    fun foo() = "O"
-    fun String.foo() = "K"
-
-    @JvmStatic
-    fun bar(s: Int) = "OK"
-}
-
-fun box(): String {
-    val static = (::bar)(0)
-    if (static != "OK") return "1"
-
-    return (::foo)() + (String::foo)("")
-}

compiler/testData/codegen/boxWithStdlib/callableReference/function/objectMemberUnitNoArgs.kt

@@ -1,13 +0,0 @@
-object A {
-    var result = "Fail"
-    
-    fun foo() {
-        result = "OK"
-    }
-}
-
-fun box(): String {
-    val x = A::foo
-    x(A)
-    return A.result
-}

compiler/testData/codegen/boxWithStdlib/callableReference/function/objectMemberUnitOneStringArg.kt

@@ -1,13 +0,0 @@
-object A {
-    var result = "Fail"
-    
-    fun foo(newResult: String) {
-        result = newResult
-    }
-}
-
-fun box(): String {
-    val x = A::foo
-    x(A, "OK")
-    return A.result
-}

compiler/testData/codegen/boxWithStdlib/callableReference/property/classObjectVar.kt

@@ -1,15 +0,0 @@
-class A {
-    companion object B {
-        var state: String = "12345"
-    }
-}
-
-fun box(): String {
-    val p = A.B::state
-
-    if (p.name != "state") return "Fail state: ${p.name}"
-    if (p.get(A.B) != "12345") return "Fail value: ${p.get(A.B)}"
-    p.set(A.B, "OK")
-
-    return p[A.B]
-}

compiler/testData/codegen/boxWithStdlib/callableReference/property/memberImportedFromObject.kt

@@ -1,33 +0,0 @@
-import A.foo
-import A.bar
-import A.baz
-
-object A {
-    var foo = "NotOk"
-    var String.foo: String
-        get() = "K"
-        set(i) {}
-
-    @JvmStatic
-    val bar: String = "OK"
-
-    @JvmStatic
-    val String.baz: String
-            get() = "OK"
-}
-
-fun box(): String {
-
-    val static = (::bar).get()
-    if (static != "OK") return static
-
-    val staticExt = (String::baz).get("a")
-    if (staticExt != "OK") return staticExt
-
-    val nonExt = ::foo
-
-    nonExt.set("O")
-    val ext = String::foo
-    ext.set("", "Whatever")
-    return nonExt.get() + ext.get("")
-}